Decision Relevant Climate Change Impact Assessments using WEAP21. Stockholm Environment Institute-Boston Center National Center for Atmospheric Research Natural Heritage Institute with support from: U.S. EPA, Office of Research and Development.
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Decision Relevant Climate Change Impact Assessments using WEAP21
Stockholm Environment Institute-Boston Center
National Center for Atmospheric Research
Natural Heritage Institute
with support from:
U.S. EPA, Office of Research and Development
Let’s start with a quick introduction to the original version of WEAP, and most other water resource management simulation models for the matter.
Critical question: How does rainfall on a catchment translate into flow in a river?
Critical question: What pathways does water follow as it moves through a catchment? Runoff? Infiltration? ET? Seepage?
Critical question: How does movement along these pathways impact the magnitude, timing, duration and frequency of river flows?
Critical question: How should water be allocated to various uses in time of shortage?
Critical question: How can these operations be constrained to protect the services provided by the river?
Critical question: How should infrastructure in the system (e.g. dams, diversion works, etc) be operated to achieve maximum benefit?
Critical question: How will allocation, operations and operating constraints change if new management strategies are introduced into the system?
Surface Runoff =
WEAP Schematic of Sacramento Watershed Based Model
Calibration and Validation
Stylized Sacramento Climate Scenarios
Phenologies of reproductive events in freshwater phase of Chinook salmon life-cycle in the SV watershed.□ = adult immigration; ∆ = spawning and hatching; ◊ = juvenile emigration
Stone Corral HUC